Patent US2770177A successfully refreshed from Google Patents.
US2770177A
Expired / Lapsed
US
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Combined shutter setting and film transporting mechanism
Assignee: Voigtlander AG
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Filing: 1953-12-30
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Granted: 1956-11-13
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Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 Faulhaber Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:00
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/42; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US931380A
Cited
US1779424A
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US1821492A
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DE611589C
Cited
US2111425A
Cited
US2094072A
Cited
US2150642A
Cited
GB573910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |